Remove Discord and Google OAuth verification from CMS

- Remove Discord + Google OAuth providers from NextAuth config
- Remove social login buttons (Discord/Google) from login form
- Delete link-discord.ts action and discord-verify-form.tsx component
- Simplify verify page to email-only verification flow
- Remove connections settings page and its link from settings
- Clean env.ts, .env, .env.example of Discord/Google client vars
- Remove discordUrl social icon from register, login, and homepage
- Clean translation files: remove continueWithDiscord, continueWithGoogle, connections keys

src/actions/link-discord.ts

@@ -1,66 +0,0 @@
-"use server";
-
-import { auth } from "@/lib/auth";
-import { logger } from "@/lib/logger";
-import { prisma } from "@/lib/prisma";
-
-export async function linkDiscordId(discordId: string): Promise<string | null> {
-	const session = await auth();
-	if (!session?.user?.id) return "Not logged in";
-
-	const userId = Number(session.user.id);
-	if (!discordId || !/^\d{17,20}$/.test(discordId.trim())) {
-		return "Invalid Discord ID format";
-	}
-
-	const discordIdClean = discordId.trim();
-
-	try {
-		const existing = await prisma.socialAccounts.findUnique({
-			where: {
-				provider_providerId: {
-					provider: "discord",
-					providerId: discordIdClean,
-				},
-			},
-			select: { userId: true },
-		});
-		if (existing && Number(existing.userId) !== userId) {
-			return "This Discord ID is already linked to another account";
-		}
-	} catch {
-		return "Failed to check Discord ID";
-	}
-
-	try {
-		await prisma.socialAccounts.upsert({
-			where: {
-				provider_providerId: {
-					provider: "discord",
-					providerId: discordIdClean,
-				},
-			},
-			create: {
-				userId: BigInt(userId),
-				provider: "discord",
-				providerId: discordIdClean,
-				createdAt: new Date(),
-				updatedAt: new Date(),
-			},
-			update: { userId: BigInt(userId), updatedAt: new Date() },
-		});
-
-		await prisma.user.update({
-			where: { id: userId },
-			data: { mailVerified: "1" },
-		});
-
-		return null;
-	} catch (e) {
-		logger.error("Failed to link Discord account", {
-			module: "link-discord",
-			error: (e as Error).message,
-		});
-		return "Failed to link Discord account";
-	}
-}

src/actions/register.ts

@@ -129,11 +129,5 @@ export async function register(
 		return "Could not create the account (is the username unique?)";
 	}
 
-	if (hasEmail) {
-		redirect("/login?registered=1");
-	} else {
-		const { signIn } = await import("@/lib/auth");
-		await signIn("credentials", { username, password, redirect: false });
-		redirect("/verify?method=discord");
-	}
+	redirect("/login?registered=1");
 }